Patent · US Active

Hand-held power tool

US8434565B2 · kind B2 · utility

7Cited by

12References

16Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Joachim Hecht · Magstadt, DE
Gerd Schlesak · Tamm, DE
Juergen Lennartz · Esslingen am Neckar, DE
Stefan Holst · Küsnacht (ZH), CH
Klaus Kuespert · Echterdingen, DE

Key dates

Filing date	Nov 18, 2008
Grant date	May 7, 2013
Priority date	—
Expiry date	Apr 3, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/245
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a hand-held power tool, especially a rotary hammer and/or chisel hammer. The hand-held power tool is provided with a vibration dampening unit having a first absorber mass unit with a first vibration dampening direction and at least one second absorber mass unit with a second vibration dampening direction. The hand-held power tool in particular has the first vibration dampening direction of the first absorber mass unit disposed as substantially parallel to the second vibration dampening direction of the second absorber mass unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.